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from PIL import Image, ImageDraw, ImageFont, ImageFilter, ImageEnhance
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import qrcode
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import hashlib
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import random
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import math
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import os
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import base64
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from cryptography.hazmat.primitives.asymmetric import rsa, padding
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from cryptography.hazmat.primitives import hashes, serialization
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CERT_WIDTH, CERT_HEIGHT = 900, 650
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MARGIN = 30
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BACKGROUND_COLOR = (255, 255, 250)
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BORDER_COLOR = (60, 60, 60)
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TITLE_COLOR = (20, 20, 20)
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TEXT_COLOR = (40, 40, 40)
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WATERMARK_COLOR = (60, 60, 60, 25)
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NOISE_INTENSITY = 100000
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cert_info = {
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"Name": "Yasin",
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"Last Name": "Aryanfard",
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"User ID": "YSNRFD",
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"Membership Date": "April 1, 2023",
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"Issued Date": "June 28, 2025",
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"Certificate ID": "OPENAI-YSN-APR2023-CERT11011010",
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"Signed By": "ChatGPT-4o",
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"Model ID": "GPT4O-REP-TRUST-2025",
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"Issuer": "OpenAI, Inc."
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}
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def generate_rsa_keys():
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private_key = rsa.generate_private_key(public_exponent=65537, key_size=2048)
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public_key = private_key.public_key()
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return private_key, public_key
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private_key, public_key = generate_rsa_keys()
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def load_font(name, size):
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paths = [
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name,
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os.path.join("/usr/share/fonts/truetype/dejavu/", name),
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os.path.join("/Library/Fonts/", name),
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os.path.join("C:/Windows/Fonts/", name)
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]
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for path in paths:
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try:
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return ImageFont.truetype(path, size)
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except:
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continue
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return ImageFont.load_default()
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font_title = load_font("timesbd.ttf", 36)
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font_header = load_font("timesbd.ttf", 20)
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font_text = load_font("times.ttf", 18)
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font_small = load_font("times.ttf", 14)
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data_string = "\n".join(f"{k}: {v}" for k, v in cert_info.items()).encode('utf-8')
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digital_signature_bytes = private_key.sign(
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data_string,
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padding.PSS(
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mgf=padding.MGF1(hashes.SHA256()),
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salt_length=padding.PSS.MAX_LENGTH
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),
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hashes.SHA256()
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)
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digital_signature = base64.b64encode(digital_signature_bytes).decode('utf-8')
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verification_code = f"VER-{hashlib.sha256(data_string).hexdigest()[:8].upper()}-{cert_info['Certificate ID'][-4:]}"
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validation_url = f"cert_id={cert_info['Certificate ID']}&code={verification_code}"
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def create_qr_code(data, size=180):
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qr = qrcode.QRCode(box_size=8, border=3)
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qr.add_data(data)
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qr.make(fit=True)
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qr_img = qr.make_image(fill_color="#003366", back_color="white").convert("RGBA")
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qr_img = qr_img.resize((size, size), Image.Resampling.LANCZOS)
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return qr_img
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qr_img = create_qr_code(digital_signature, size=180)
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def draw_gradient(draw, width, height, start_color, end_color):
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for i in range(height):
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r = int(start_color[0] + (float(i) / height) * (end_color[0] - start_color[0]))
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g = int(start_color[1] + (float(i) / height) * (end_color[1] - start_color[1]))
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b = int(start_color[2] + (float(i) / height) * (end_color[2] - start_color[2]))
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draw.line([(0, i), (width, i)], fill=(r, g, b))
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def create_official_seal(diameter=160):
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seal = Image.new("RGBA", (diameter, diameter), (0, 0, 0, 0))
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draw = ImageDraw.Draw(seal)
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center = diameter // 2
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for i in range(10):
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alpha = int(255 * (1 - i/10))
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radius = center - i*5
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color = (0, 51, 102, alpha)
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draw.ellipse(
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[(center - radius, center - radius), (center + radius, center + radius)],
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outline=color,
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width=3 if i % 2 == 0 else 2
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)
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num_rays = 36
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outer_r = center - 15
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inner_r = center - 50
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for i in range(num_rays):
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angle = 360 / num_rays * i
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x1 = center + int(inner_r * math.cos(math.radians(angle)))
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y1 = center + int(inner_r * math.sin(math.radians(angle)))
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x2 = center + int(outer_r * math.cos(math.radians(angle)))
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y2 = center + int(outer_r * math.sin(math.radians(angle)))
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draw.line([(x1, y1), (x2, y2)], fill=(0, 51, 102, 200), width=2)
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try:
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logo = Image.open("openai_seal.png").convert("RGBA")
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max_logo_size = diameter - 100
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logo.thumbnail((max_logo_size, max_logo_size), Image.Resampling.LANCZOS)
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logo_pos = (center - logo.width // 2, center - logo.height // 2)
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seal.paste(logo, logo_pos, logo)
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except FileNotFoundError:
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print("⚠️ فایل openai_seal.png پیدا نشد! مهر بدون لوگو ساخته شد.")
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seal_text = "OFFICIAL OPENAI SEAL"
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font_circle = load_font("timesbd.ttf", 18)
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radius_text = center - 20
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for i, char in enumerate(seal_text):
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angle_deg = (360 / len(seal_text)) * i - 90
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angle_rad = math.radians(angle_deg)
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x = center + int(radius_text * math.cos(angle_rad))
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y = center + int(radius_text * math.sin(angle_rad))
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draw.text((x-8, y-8), char, font=font_circle, fill=(0, 51, 102, 255))
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seal = seal.filter(ImageFilter.GaussianBlur(radius=0.5))
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return seal
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official_seal = create_official_seal()
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certificate = Image.new("RGBA", (CERT_WIDTH, CERT_HEIGHT), BACKGROUND_COLOR)
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draw = ImageDraw.Draw(certificate)
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draw_gradient(draw, CERT_WIDTH, CERT_HEIGHT, (255, 255, 250), (220, 230, 255))
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for i, thickness in enumerate([6, 4, 2]):
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color_val = 80 - i * 20
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draw.rectangle(
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[MARGIN - i*2, MARGIN - i*2, CERT_WIDTH - MARGIN + i*2, CERT_HEIGHT - MARGIN + i*2],
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outline=(color_val, color_val, color_val)
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)
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title_text = "OpenAI – Certificate of Membership"
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bbox = draw.textbbox((0, 0), title_text, font=font_title)
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w = bbox[2] - bbox[0]
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h = bbox[3] - bbox[1]
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draw.text(((CERT_WIDTH - w) / 2, MARGIN + 10), title_text, fill=TITLE_COLOR, font=font_title)
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line_y = MARGIN + h + 30
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draw.line([(MARGIN + 10, line_y), (CERT_WIDTH - MARGIN - 10, line_y)], fill=(100, 100, 120), width=3)
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info_x = MARGIN + 30
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info_y = line_y + 20
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line_spacing = 36
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for key, val in cert_info.items():
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text_line = f"{key}: {val}"
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draw.text((info_x, info_y), text_line, font=font_text, fill=TEXT_COLOR)
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info_y += line_spacing
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verification_label = "Verification Code:"
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verification_text = verification_code
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info_y += 20
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draw.text((info_x, info_y), verification_label, font=font_header, fill=TEXT_COLOR)
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draw.text((info_x + 190, info_y), verification_text, font=font_header, fill=(0, 70, 120))
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sig_lines = [digital_signature[i:i+60] for i in range(0, len(digital_signature), 60)]
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sig_y = info_y + 40
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for line in sig_lines:
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draw.text((info_x, sig_y), line, font=font_small, fill=(100, 100, 120))
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sig_y += 20
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qr_pos = (CERT_WIDTH - qr_img.width - MARGIN - 20, CERT_HEIGHT - qr_img.height - MARGIN - 20)
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seal_pos = (qr_pos[0], qr_pos[1] - official_seal.height - 15)
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certificate.paste(official_seal, seal_pos, official_seal)
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certificate.paste(qr_img, qr_pos, qr_img)
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watermarks = [
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"AUTHORIZED", "CONFIDENTIAL", "OFFICIAL_USE_ONLY", "SECURE",
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"AUTHENTICATED", "NON-TRANSFERABLE", "GOVERNMENT APPROVED", "VERIFIED BY BLOCKCHAIN",
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"HIGHLY CONFIDENTIAL", "DIGITAL SIGNED", "SECURE DOCUMENT", "UNIQUE IDENTIFIER",
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"ENCRYPTED SEAL",
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cert_info["Certificate ID"], verification_code,
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"VALIDATED", "NO_COPY", "OPENAI"
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]
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for _ in range(128):
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wm_text = random.choice(watermarks)
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txt_img = Image.new("RGBA", (220, 20), (0, 0, 0, 0))
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txt_draw = ImageDraw.Draw(txt_img)
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txt_draw.text((0, 0), wm_text, font=font_small, fill=WATERMARK_COLOR)
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angle = random.uniform(-25, 25)
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txt_img = txt_img.rotate(angle, expand=1)
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x = random.randint(MARGIN + 10, CERT_WIDTH - 230)
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y = random.randint(MARGIN + 10, CERT_HEIGHT - 30)
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certificate.paste(txt_img, (x, y), txt_img)
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pixels = certificate.load()
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for _ in range(NOISE_INTENSITY):
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px = random.randint(0, CERT_WIDTH - 1)
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py = random.randint(0, CERT_HEIGHT - 1)
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r, g, b, a = pixels[px, py]
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noise = random.randint(-5, 5)
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r = max(0, min(255, r + noise))
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g = max(0, min(255, g + noise))
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b = max(0, min(255, b + noise))
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pixels[px, py] = (r, g, b, a)
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def encode_message_in_pixels(img, message):
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binary_message = ''.join(format(ord(i), '08b') for i in message)
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pixels = img.load()
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width, height = img.size
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idx = 0
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for y in range(height):
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for x in range(width):
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if idx >= len(binary_message):
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return
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r, g, b, a = pixels[x, y]
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r = (r & ~1) | int(binary_message[idx])
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pixels[x, y] = (r, g, b, a)
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idx += 1
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hidden_message = f"CertificateID:{cert_info['Certificate ID']};VerificationCode:{verification_code}"
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encode_message_in_pixels(certificate, hidden_message)
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output_file = f"OpenAI_Certificate_{cert_info['Certificate ID']}.png"
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certificate.convert("RGB").save(output_file, quality=100)
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print(f"✅ Realistic and highly secure certificate created: {output_file}")
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